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mirror of https://github.com/v2fly/v2ray-core.git synced 2024-12-22 10:08:15 -05:00
v2fly/infra/control/verify.go
2019-02-10 19:04:11 +01:00

138 lines
4.7 KiB
Go

package control
import (
"flag"
"fmt"
"os"
"strings"
"golang.org/x/crypto/openpgp"
"v2ray.com/core/common"
)
const (
pubkey = `-----BEGIN PGP PUBLIC KEY BLOCK-----
Comment: GPGTools - https://gpgtools.org
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=xv/V
-----END PGP PUBLIC KEY BLOCK-----
`
)
func firstIdentity(m map[string]*openpgp.Identity) string {
for k := range m {
return k
}
return ""
}
type VerifyCommand struct{}
func (c *VerifyCommand) Name() string {
return "verify"
}
func (c *VerifyCommand) Description() Description {
return Description{
Short: "Verify if a binary is officially signed.",
Usage: []string{
"v2ctl verify [--sig=<sig-file>] file",
"Verify the file officially signed by V2Ray.",
},
}
}
func (c *VerifyCommand) Execute(args []string) error {
fs := flag.NewFlagSet(c.Name(), flag.ContinueOnError)
sigFile := fs.String("sig", "", "Path to the signature file")
if err := fs.Parse(args); err != nil {
return err
}
target := fs.Arg(0)
if len(target) == 0 {
return newError("empty file path.")
}
if len(*sigFile) == 0 {
*sigFile = target + ".sig"
}
targetReader, err := os.Open(os.ExpandEnv(target))
if err != nil {
return newError("failed to open file: ", target).Base(err)
}
sigReader, err := os.Open(os.ExpandEnv(*sigFile))
if err != nil {
return newError("failed to open file ", *sigFile).Base(err)
}
keyring, err := openpgp.ReadArmoredKeyRing(strings.NewReader(pubkey))
if err != nil {
return newError("failed to create keyring").Base(err)
}
entity, err := openpgp.CheckDetachedSignature(keyring, targetReader, sigReader)
if err != nil {
return newError("failed to verify signature").Base(err)
}
fmt.Println("Signed by:", firstIdentity(entity.Identities))
return nil
}
func init() {
common.Must(RegisterCommand(&VerifyCommand{}))
}